From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 36D508BE0; Fri, 5 May 2023 15:44:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683301464; x=1714837464; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=lbTzMAvAr3LREHg1QmVWQGp0MTSnNPitDvtk32wqL+w=; b=VvBHb2rSlfDG6ZwkFcZ64vCawBdENLZAjAFeIKijwBCrnX9rSRvHHlrK S6ZaIgLnRkfyPEWX9drVlLxZVuHp7ghJxn1j6rPI3gSJ557zbek0wCMnH bqUsh8jqTZjBb7dC9aQWVVmmfTfVYsYiiyVUEVCrl8QNeOTajupjlVPit pKxaJsOlr3bL9lXAkGmlTOOqTCM7oo9MWWB181lyqzXysVq6E1kn7C9+v rnoXA904jE1HT5ryiHzNylqhP0lM6J3yYvhIqQE+2/TH7GXMqgqbnRJXM bs33ZNrvDvuIgPeWoymEKJttoIFp5ACGO1acjZxWpCHy89y9w8r7VmPkR Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10701"; a="329590810" X-IronPort-AV: E=Sophos;i="5.99,252,1677571200"; d="scan'208";a="329590810" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 May 2023 08:44:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10701"; a="871901080" X-IronPort-AV: E=Sophos;i="5.99,252,1677571200"; d="scan'208";a="871901080" Received: from lkp-server01.sh.intel.com (HELO fe5d646e317d) ([10.239.97.150]) by orsmga005.jf.intel.com with ESMTP; 05 May 2023 08:44:20 -0700 Received: from kbuild by fe5d646e317d with local (Exim 4.96) (envelope-from ) id 1puxbY-0000hZ-10; Fri, 05 May 2023 15:44:20 +0000 Date: Fri, 5 May 2023 23:43:31 +0800 From: kernel test robot To: Jocelyn Falempe , dri-devel@lists.freedesktop.org, tzimmermann@suse.de, airlied@redhat.com, javierm@redhat.com, lyude@redhat.com Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Jocelyn Falempe Subject: Re: [PATCH 4/4] drm/mgag200: Use DMA to copy the framebuffer to the VRAM Message-ID: <202305052344.TAIFBCMZ-lkp@intel.com> References: <20230505124337.854845-5-jfalempe@redhat.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230505124337.854845-5-jfalempe@redhat.com> Hi Jocelyn, kernel test robot noticed the following build warnings: [auto build test WARNING on 457391b0380335d5e9a5babdec90ac53928b23b4] url: https://github.com/intel-lab-lkp/linux/commits/Jocelyn-Falempe/drm-mgag200-Rename-constant-MGAREG_Status-to-MGAREG_STATUS/20230505-204705 base: 457391b0380335d5e9a5babdec90ac53928b23b4 patch link: https://lore.kernel.org/r/20230505124337.854845-5-jfalempe%40redhat.com patch subject: [PATCH 4/4] drm/mgag200: Use DMA to copy the framebuffer to the VRAM config: i386-randconfig-a013-20230501 (https://download.01.org/0day-ci/archive/20230505/202305052344.TAIFBCMZ-lkp@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/b3cab0043427adee56c6f3169cdfa15526dd331c git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jocelyn-Falempe/drm-mgag200-Rename-constant-MGAREG_Status-to-MGAREG_STATUS/20230505-204705 git checkout b3cab0043427adee56c6f3169cdfa15526dd331c # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/mgag200/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202305052344.TAIFBCMZ-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/mgag200/mgag200_dma.c:86:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] int ret; ^ 1 warning generated. vim +/ret +86 drivers/gpu/drm/mgag200/mgag200_dma.c 81 82 void mgag200_dma_run_cmd(struct mga_device *mdev) 83 { 84 struct drm_device *dev = &mdev->base; 85 u32 primend; > 86 int ret; 87 88 /* Add a last block to trigger the softrap interrupt */ 89 mgag200_dma_add_block(mdev, 90 MGAREG_DMAPAD, 0, 91 MGAREG_DMAPAD, 0, 92 MGAREG_DMAPAD, 0, 93 MGAREG_SOFTRAP, 0); 94 95 primend = mdev->cmd_handle + mdev->cmd_idx * sizeof(struct mga_cmd_block); 96 97 // Use primary DMA to send the commands 98 WREG32(MGAREG_PRIMADDR, (u32) mdev->cmd_handle); 99 WREG32(MGAREG_PRIMEND, primend); 100 mdev->dma_in_use = 1; 101 102 ret = wait_event_timeout(mdev->waitq, mdev->dma_in_use == 0, HZ); 103 104 if (mdev->dma_in_use) { 105 drm_err(dev, "DMA transfert timed out\n"); 106 /* something goes wrong, reset the DMA engine */ 107 WREG8(MGAREG_OPMODE, MGAOPM_DMA_BLIT); 108 mdev->dma_in_use = 0; 109 } 110 111 /* reset command index to start a new sequence */ 112 mdev->cmd_idx = 0; 113 } 114 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8BD99C77B7F for ; Fri, 5 May 2023 15:44:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D0D5510E167; Fri, 5 May 2023 15:44:26 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 90B4010E167 for ; Fri, 5 May 2023 15:44:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683301464; x=1714837464; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=lbTzMAvAr3LREHg1QmVWQGp0MTSnNPitDvtk32wqL+w=; b=VvBHb2rSlfDG6ZwkFcZ64vCawBdENLZAjAFeIKijwBCrnX9rSRvHHlrK S6ZaIgLnRkfyPEWX9drVlLxZVuHp7ghJxn1j6rPI3gSJ557zbek0wCMnH bqUsh8jqTZjBb7dC9aQWVVmmfTfVYsYiiyVUEVCrl8QNeOTajupjlVPit pKxaJsOlr3bL9lXAkGmlTOOqTCM7oo9MWWB181lyqzXysVq6E1kn7C9+v rnoXA904jE1HT5ryiHzNylqhP0lM6J3yYvhIqQE+2/TH7GXMqgqbnRJXM bs33ZNrvDvuIgPeWoymEKJttoIFp5ACGO1acjZxWpCHy89y9w8r7VmPkR Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10701"; a="329590811" X-IronPort-AV: E=Sophos;i="5.99,252,1677571200"; d="scan'208";a="329590811" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 May 2023 08:44:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10701"; a="871901080" X-IronPort-AV: E=Sophos;i="5.99,252,1677571200"; d="scan'208";a="871901080" Received: from lkp-server01.sh.intel.com (HELO fe5d646e317d) ([10.239.97.150]) by orsmga005.jf.intel.com with ESMTP; 05 May 2023 08:44:20 -0700 Received: from kbuild by fe5d646e317d with local (Exim 4.96) (envelope-from ) id 1puxbY-0000hZ-10; Fri, 05 May 2023 15:44:20 +0000 Date: Fri, 5 May 2023 23:43:31 +0800 From: kernel test robot To: Jocelyn Falempe , dri-devel@lists.freedesktop.org, tzimmermann@suse.de, airlied@redhat.com, javierm@redhat.com, lyude@redhat.com Subject: Re: [PATCH 4/4] drm/mgag200: Use DMA to copy the framebuffer to the VRAM Message-ID: <202305052344.TAIFBCMZ-lkp@intel.com> References: <20230505124337.854845-5-jfalempe@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230505124337.854845-5-jfalempe@redhat.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jocelyn Falempe , llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi Jocelyn, kernel test robot noticed the following build warnings: [auto build test WARNING on 457391b0380335d5e9a5babdec90ac53928b23b4] url: https://github.com/intel-lab-lkp/linux/commits/Jocelyn-Falempe/drm-mgag200-Rename-constant-MGAREG_Status-to-MGAREG_STATUS/20230505-204705 base: 457391b0380335d5e9a5babdec90ac53928b23b4 patch link: https://lore.kernel.org/r/20230505124337.854845-5-jfalempe%40redhat.com patch subject: [PATCH 4/4] drm/mgag200: Use DMA to copy the framebuffer to the VRAM config: i386-randconfig-a013-20230501 (https://download.01.org/0day-ci/archive/20230505/202305052344.TAIFBCMZ-lkp@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/b3cab0043427adee56c6f3169cdfa15526dd331c git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jocelyn-Falempe/drm-mgag200-Rename-constant-MGAREG_Status-to-MGAREG_STATUS/20230505-204705 git checkout b3cab0043427adee56c6f3169cdfa15526dd331c # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/mgag200/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202305052344.TAIFBCMZ-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/mgag200/mgag200_dma.c:86:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] int ret; ^ 1 warning generated. vim +/ret +86 drivers/gpu/drm/mgag200/mgag200_dma.c 81 82 void mgag200_dma_run_cmd(struct mga_device *mdev) 83 { 84 struct drm_device *dev = &mdev->base; 85 u32 primend; > 86 int ret; 87 88 /* Add a last block to trigger the softrap interrupt */ 89 mgag200_dma_add_block(mdev, 90 MGAREG_DMAPAD, 0, 91 MGAREG_DMAPAD, 0, 92 MGAREG_DMAPAD, 0, 93 MGAREG_SOFTRAP, 0); 94 95 primend = mdev->cmd_handle + mdev->cmd_idx * sizeof(struct mga_cmd_block); 96 97 // Use primary DMA to send the commands 98 WREG32(MGAREG_PRIMADDR, (u32) mdev->cmd_handle); 99 WREG32(MGAREG_PRIMEND, primend); 100 mdev->dma_in_use = 1; 101 102 ret = wait_event_timeout(mdev->waitq, mdev->dma_in_use == 0, HZ); 103 104 if (mdev->dma_in_use) { 105 drm_err(dev, "DMA transfert timed out\n"); 106 /* something goes wrong, reset the DMA engine */ 107 WREG8(MGAREG_OPMODE, MGAOPM_DMA_BLIT); 108 mdev->dma_in_use = 0; 109 } 110 111 /* reset command index to start a new sequence */ 112 mdev->cmd_idx = 0; 113 } 114 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests